Lubricator



Dc. 15, 1931-. J. J HENNESSY 1;836,799

LUBRICATOR' Filed March l2, 1928 0 o o c o o o o o 0 a u o o o n o o o o o o O 0 o o o o o o b o o 0 o o o o o n o n g o 0 o o o o o o o e o 0 9 n g 0 0 G 0 o o 0 o 0 o O o o o o 1o D o o o o o o o n n n o c 0J TOF? Patented De'c. 15, 1931 j JAMES .1. HENNEssY, or NEW YORK, N. Y.

LUBnIcAT'oR Application filed March 12, 1928. Serial No. 261,015.

invention relatestolubricators adapted to be applied to the axlejournals of railwa rolling stock', and particularly designed wit i `reference to application to A. R. A. journal boxes.

The main object of :my invention is to provide a lubricator which may be readilyV inserted ina standard A. R. A. box without anychange in or machining of the latter.

lubricatingy device` in-proper position in the box; to provide an efficient economical simple pump structure which'will be operated by theshifting of the axle back and forth lengthf wiseof thebox; which will permit the packing of the journal with cotton waste in the usual mannen-and whichlwill permit the boxto-bei jacked up, for the removalofthe bearing brass1 without injury to the lubricator.`

In Patent No. 1,444,461, issued` to me Feb-j ruary 6, 1923andPatent No. 1514,855,'issued to ine-November-ll, 1924 Ifillustrate journal lubricators intended for the same general purpose but" involving' more complicated j; in elevation.

Figure is a top view of my lubrcator, thev adjacentportions of the box being-sectioned.

Figures Sand' 4are vertical transverse sections taken on lines 3--34 and 4-4 of Figure 1.

The. journal-A is of'standard form-'and` mounts a journal box -B also of A.'R. A.- standard constructionl and provided with spaced guard (not Walls C forreceiving a dust' show-nf) of a-nyfapproved form". Y'

The lubricator includes a body lprovided with legs 2Y for resting` upon the bottom wall of the box B and also including a pump cylinder chamber-3, the larger portion of which is inclined i upwardly and outwardly toward the` outer end of the'device and the correspending end ofthe journal A.V A pump plunger or piston'4 is vslidngly mounted in cylinder 3 and projects beyond the same, terminating in an enlargedy head 5. A coiledV- springt; seated in a suitable recess in body 1,v yieldingly thrusts plunger 4 outwardly. Ears 7 project from the outer end of body l and form spaced bearings for a pin 8 upon whicha 4bell crank 9 is pivoted. The upper outer face of .the journal A and the lower arm 11 `of the bell crank-terminates in a cam surface which engages the head 5 of the pump plunger;

Obviously movementofthe journal A to the left will rotate bell erank9 so as to force plunger 4 inwardly of thepump cylinder and movement of the ournal A to the right'will y arm- 10 of the bell crankengagesthe' lower More detailed objects are to maintain the` permit springv 6 to thrustthe pump plunger outwardly. j

The pump cylinder has an'inlet'op'eni-ng 12 and a dischargeopening.13, each equipped with a. ball checlr` valve 14. It Willbe understood that lubricant is supplied- 'to thelower portion of the box -to a `levelv above inlet lopening 12-and thatfthis lubricant will be drawn into the pump chamber 3 when plunger 4 moves to the left and will be forced upwardly" through discharge outlet 13 when plunger 4' is moved to the right. The rear end of-body 1 is enlarged as indicated at' 1a and a screen S is provided over the bottom of this enlarged portion to exclude cotton -ibers or other dirt Y from being drawn into the pump chamber. The enlarged screen area facilitates adm-ission of oil to the pump and provides for longer operation than would be possible if the inlet opening were restricted and Vthereby likely to be more quickly cloggedjwith dirt.

A conduit 15 is 'formed on thetop of body 1 and a conduit extension 16 is slidably' mountedin conduit 15. and includes a shouldered portion 17 extending outwardly beyond the top of conduit 15. A spring 18 yieldingly supports extension 16 and serves to thrust the same against the surface ofthe journal to which the device is applied.

A suitable pin and slotV arrangement as' indicated at 19 limits the outwardmovement of extension 16 so that the same will not be disassembled from the remainder of the lubricator structure when the device is not applied to a ournal.

Spaced from conduit 15 is an upstanding rib or lug 20, the height of which is greater than the overali height of conduit 15 and extension 16 when the latter is depressed to the point where its shoulder 17 rests on the top of conduit 15. The function of lug 2O is to engage the underside of the ournal A, when the box is acked up to remove the bearing brass, and thereby avoid injury to the more delicate moving parts of the lubricator.

A screen 21 is provided with a suitable opening for fitting over the lubricator body and the lubricator body has shoulders 22 formed on its sides for supporting screen 21 as shown. Screen 21 extends outwardly from the lubricator body until it contacts with an upwardly extending surface ot the box B and serves as a support for waste W with ..wliich the box will be packed in the usual manner.

The lubricator will pump lubricant to the surface of the journal keeping the lower portion ot the same moist and avoiding the glazed area of the waste which is prevalent in ordinary boxes. Surplus lubricant will drain back through the waste to the bottom of the box and the waste will distribute lubricant to a large surface of the ournal by capillary attraction in the usual manner.

The rear end of screen 21 includes an inverted U-shaped flange 23 fitted over the inner dust guard wall C and serving to hold the screen and lubricator body in -desired position irrespective of any ars or other forces tending to shift the lubricator.

Obviously many of the details of my invention may be varied and some of the features may be eliminated withoutdeparting .from the spirit of my invention, and I contemplate the exclusive use of all such modifications of my invention as come Within the scope of my claims.

I claim:

1. In combination, a railway car journal, a journal box mounted thereon and having a horizontal bottom wall curved upwardly at its outer end, a removable lubricating device mounted on the bottom of said box and including a pump chamber and straight plunger inclined upwardly from the bottom of said box toward the outer end of said journal, and a single rigid bell crank fulcrumed on the wall ot said chamber over the'curvedportion of said wall and contacting directly with the end of said plunger and directly with the lower outer edge of said journal for operating said plunger as said journal reciprocates in said box.

2. In a lubricator oi the class described, a member adapted to rest on the bottom of a journal box, a pump chamber in said member, a conduit on said member leading up wardly from said chamber, a conduit exten- Vbricator in the bot-tom of said box and including an upstanding conduit element, a spring surroundin said element, a conduit extension slidably 'tting in said element with a shoulder extending outwardly over the top thereof and over said spring, and a rigid rib or lug spaced from said element and extending above the level of the top of said extension when the latter is moved downwardly so that its shoulder engages the top of said element.

4. In combination, a railway car journal box having a dust guard positioning rib, a pump body member adapted to rest upon the bottom of the box and spaced from the front end of said box, and a waste supporting screen fitting over said body member and having an inverted U-shaped flange fitting over said rib to position said member longitudinally ot the box.

5. In a lubricator for application to a railway car journal and a journal box provided with a horizontal bottom wall curved upwardly at its outer end, a removable pump body adapted to rest upon the horizontal portion of said bottom wall and provided with a pump chamber inclined upwardly toward the outer end of said body, a straight pump plunger in said chamber, and a bell crank pivoted on said body and having one leg adapted to contact with the outer end of said journal and having another leg provided with a cam terminal adapted to contact with the outer end of said plunger to operate said plunger as said journal shifts axially within said box.

6. In a lubricator for application to a railway car journal and a journal box provided with a horizontal bottom wall curved upwardly at its louter end, a removable pump body adapted to rest upon the horizontal portion of said bottom wall and provided with a pump chamber inclined upwardly toward the outer end of said body, a straight pump plunger in said chamber, and a member pivoted on said body and having contact with the end of said journal and the end of said plunger to reciprocate said plunger as said journal shifts axially within said box.

7. In a lubricator of the class described, a long narrow body having a pump chamber formed therein, a discharge conduit leading upwardly from an intermediate portion of said chamber, a conduit extension telescopingly assembled with said conduit, means for yieldingly projecting said extension above said conduit, the inner end of said body being widened to'rest on substantially spaced points on the bottom of thejournal box to which the lubricator is applied, and an upstanding rib extending across said widened end to limit the approach of said box towards said journal.

8. In a lubricator of the lclass described; a

long narrow body having a pump chamber formed therein, a discharge conduit lead- Y ing upwardly from an intermediate portion of said chamber, a conduit extension telei scopingly assembled with said conduit,

means for yieldingly projecting said `extension above said conduit, a portion of said body being widened to engage substantially spaced points on the bottom of the journal to which the lubricatoris applied, and an upstanding rib extending across said wid ened portion to limit the approach of said` box towards said journal.

In testimony whereof I hereunto aliix my signature this 7th day of March, 1928..

JAS. J. HENNESSY. 

